.menu-area {
  padding-left: 1em;
  .hide {
    display: none;
  }
  .one-level-menu {
    font-size: 130%;
    font-weight: 400;
    margin-top: 1.5em;
    cursor: pointer;
    padding-left: 1em;
    &:before {
      width: 0;
      height: 0;
      display: block;
      content: '';
      position: relative;
      left: -1.2em;
      top: 1em;
    }
    &.close:before {
      border-left: .4em solid #1a94bc;
      border-top: .2em solid transparent;
      border-bottom: .2em solid transparent;
    }
    &.open:before {
      border-top: .4em solid #1a94bc;
      border-left: .2em solid transparent;
      border-right: .2em solid transparent;
    }
  }
  .two-level-menu {
    font-weight: 400;
    font-size: 100%;
    padding-left: 3em;
    padding-top: 1em;
    cursor: pointer;
    border-left: 1px dashed #1a94bc;
    &:before {
      width: 2em;
      position: relative;
      left: -3em;
      top: .8em;
      content: '';
      height: 1px;
      display: block;
      border-bottom: 1px dashed #1a94bc;;
    }
  }
}

.content-area {
  width: 800px;
  color: #555555;
  blockquote {
    margin-bottom: 1.4em;
    margin-top: 1.4em;
  }
  &>p {
    padding-left: 1em;
    margin-bottom: 1.4em;
    margin-top: 1.4em;
    span {
      color: #1a94bc;
    }
  }
  pre {
    background-color: #283646;
    color: #ffffff;
    padding: 1em;
    margin-top: 1.4em;
    border-radius: 0;
  }
}
#replace {
  display: none;
}